<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8"> 
    <title>保存</title><style>
	<style>
	p:hover{
	color:red;
	}
	</style>
	</head>
	<body>
	<marquee>你好</marquee>
	<p id="N"></p>
	</body>
</html>